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27 April 2024

» arxiv » cond-mat/0506202

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Wave-vector dependent intensity variations of the Kondo peak in photoemission from CePd$_3$
S. Danzenbächer ; Yu. Kucherenko ; M. Heber ; D.V. Vyalikh ; S.L. Molodtsov ; V.D.P. Servedio ; C. Laubschat ;
Date:	8 Jun 2005
Subject:	Strongly Correlated Electrons; Materials Science \| cond-mat.str-el cond-mat.mtrl-sci
Abstract:	Strong angle-dependent intensity variations of the Fermi-level feature are observed in 4d - 4f resonant photoemission spectra of CePd$_3$(111), that reveal the periodicity of the lattice and largest intensity close to the Gamma points of the surface Brillouin zone. In the framework of a simplified periodic Anderson model the phenomena may quantitatively be described by a wave-vector dependence of the electron hopping matrix elements caused by Fermi-level crossings of non-4f-derived energy bands.
Source:	arXiv, cond-mat/0506202
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